<!--
 * @Author: Shinkai
 * @Date: 2022-05-27 23:17:58
 * @LastEditTime: 2022-06-06 11:54:11
 * @FilePath: /kai_test/src/components/MyHeader.vue
 * What's up:  加油啊 精致的猪猪男孩!
-->

<template>
  <div class="todo-header">
    <input
      type="text"
      v-model="title"
      placeholder="请输入你的任务名称，按回车键确认"
      @keyup.enter="addTask($event)"
    />
  </div>
</template>

<script>
import { nanoid } from 'nanoid'

export default {
  name: 'MyHeader',
  data () {
    return {
      title: ''
    }
  },
  methods: {
    addTask (e) {
      //校验数据
      if (!this.title.trim()) {
        return alert('输入不能为空')
      }
      //封装成一个todo对象.
      // console.log(e.target.value)
      const todoObj = { id: nanoid(), name: e.target.value, done: false }
      console.log(todoObj)
      // 让app组件添加todo
      this.$emit('addTodo',todoObj)
      this.title = ''
    }
  }
}
</script>

<style scoped>
/*header*/
.todo-header input {
  width: 560px;
  height: 28px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 4px 7px;
}

.todo-header input:focus {
  outline: none;
  border-color: rgba(82, 168, 236, 0.8);
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075),
    0 0 8px rgba(82, 168, 236, 0.6);
}
</style>